{"product_id":"abb-3bhe013940r0002-uns0868b-p-v2-power-supply-module","title":"ABB 3BHE013940R0002 UNS0868B-P,V2 Power Supply Module","description":"\u003ch4\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3BHE013940R0002 (UNS0868B-P V2)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-performance DC power supply module developed by\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003eABB\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003efor use in excitation control, power regulation, and automation control architectures.\u003cbr\u003eIt is engineered to deliver a stable and low-ripple 24 VDC output for critical control electronics, particularly within UNITROL excitation systems and ABB-based control platforms.\u003c\/p\u003e\n\u003cp\u003eDesigned for continuous operation in electrically and thermally demanding environments, this module emphasizes conversion efficiency, electrical protection, and operational stability over long service lifecycles.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Technical Characteristics\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThis power supply module combines compact industrial design with robust electrical performance to support sensitive control hardware.\u003c\/p\u003e\n\u003cp\u003eHigh conversion efficiency minimizes internal heat generation and improves overall system reliability.\u003cbr\u003eWide ambient temperature tolerance allows installation in cabinets with limited climate control.\u003cbr\u003eIntegrated protection mechanisms safeguard downstream controllers against abnormal supply conditions.\u003cbr\u003eOutput voltage stability is optimized for PLCs, DCS controllers, excitation regulators, and interface modules.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eElectrical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eInput Voltage Range: 110 \/ 220 VAC, automatic dual-range selection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eNominal Input Frequency: 50 \/ 60 Hz\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOutput Voltage: 24 VDC regulated\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRated Output Current: 13 A\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMaximum Output Power: Approximately 312 W\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eConversion Efficiency: Up to 97%\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOutput Regulation: Tight regulation suitable for precision control electronics\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eProtection Functions: Overvoltage, overcurrent, short-circuit, and thermal protection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eEnvironmental Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eOperating Temperature Range: –20 °C to +70 °C\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStorage Temperature: –40 °C to +85 °C\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDesigned for continuous industrial duty\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSuitable for vibration-prone electrical cabinets and excitation panels\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eMechanical Information\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eDue to variations between catalog data and installed configurations, two dimensional references are commonly reported.\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eModule Body Dimensions:\u003cbr\u003e58.5 × 149.9 × 174.6 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCatalog \/ Packaging Dimensions:\u003cbr\u003e280 × 80 × 210 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eNet Weight:\u003cbr\u003e1.32 kg\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eMounting is typically performed within ABB excitation or control enclosures using standardized mechanical interfaces.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eTypical Applications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3BHE013940R0002 (UNS0868B-P V2)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis primarily deployed in the following scenarios:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eDC power supply for ABB UNITROL excitation systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePower source for excitation controllers, regulators, and interface boards\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStable auxiliary power for PLC and DCS control racks\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eReplacement or upgrade power module in ABB excitation cabinets\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePower conditioning for critical control electronics requiring low ripple DC supply\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs this module suitable as a replacement for earlier UNS0868B versions?\u003c\/strong\u003e\u003cbr\u003eYes. Version V2 is designed for backward compatibility in UNITROL and related ABB excitation systems, provided electrical ratings match system requirements.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan this power supply be used outside excitation systems?\u003c\/strong\u003e\u003cbr\u003eYes. It can be applied to other ABB-based control systems requiring a regulated 24 VDC supply within the specified current range.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the module require external cooling?\u003c\/strong\u003e\u003cbr\u003eUnder normal operating conditions within rated temperature limits, external cooling is not mandatory, though adequate cabinet ventilation is recommended.\u003c\/p\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":42998748151898,"sku":"3BHE013940R0002 UNS0868B-P,V2","price":258.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/3BHE013940R0002UNS0868B-P_V22.jpg?v=1772505570","url":"https:\/\/www.plcmasters.com\/ar\/products\/abb-3bhe013940r0002-uns0868b-p-v2-power-supply-module","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}